the earth they could run away from it, and remain away until the vapor had blown off.
"Is Mr. Damon keeping her on the course, Ned?" asked Tom, pausing a moment to get his breath after a series of frantic efforts.
"Yes, and I think we're closing in on them a little."
"That's good. Are they still headed for the border?"
"Yes, I guess they're going to take no chances to-night. They're going right back to Canada where they came from."
"Well, we'll be hot after 'em. Whistle through the tube, and tell Koku to come here and give me a hand. He's with Mr. Damon in the pilot house."
Ned sent the message, and then gave his whole attention to the light. This was necessary, as the smugglers were resorting to dodging tactics, in an endeavor to escape. Now they would shoot upward, and again toward the earth, varying the performance by steering to the right or left. Ned had constantly to shift the light to keep them in focus, so that Mr. Damon could see where to steer, but, with all this handicap, the eccentric man did very well, and he was never far out in his judgment.
"By Jove!" suddenly murmured Tom, as he tried once more in vain to open a clogged valve.
